DE2901923C2 - Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl - Google Patents

Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl

Info

Publication number
DE2901923C2
DE2901923C2 DE2901923A DE2901923A DE2901923C2 DE 2901923 C2 DE2901923 C2 DE 2901923C2 DE 2901923 A DE2901923 A DE 2901923A DE 2901923 A DE2901923 A DE 2901923A DE 2901923 C2 DE2901923 C2 DE 2901923C2
Authority
DE
Germany
Prior art keywords
levers
locking
lock according
swivel arm
crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2901923A
Other languages
German (de)
English (en)
Other versions
DE2901923B1 (de
Inventor
Rolf 7951 Kirchdorf Mieger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr-Hydraulikbagger 7951 Kirchdorf GmbH
Original Assignee
Liebherr-Hydraulikbagger 7951 Kirchdorf GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr-Hydraulikbagger 7951 Kirchdorf GmbH filed Critical Liebherr-Hydraulikbagger 7951 Kirchdorf GmbH
Priority to DE2901923A priority Critical patent/DE2901923C2/de
Priority to US06/108,658 priority patent/US4332094A/en
Priority to FR7932100A priority patent/FR2446795A1/fr
Publication of DE2901923B1 publication Critical patent/DE2901923B1/de
Application granted granted Critical
Publication of DE2901923C2 publication Critical patent/DE2901923C2/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
DE2901923A 1979-01-18 1979-01-18 Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl Expired DE2901923C2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2901923A DE2901923C2 (de) 1979-01-18 1979-01-18 Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl
US06/108,658 US4332094A (en) 1979-01-18 1979-12-31 Hydraulic locking of the boom to the swivel arm of an excavator, crane or the like
FR7932100A FR2446795A1 (fr) 1979-01-18 1979-12-31 Verrouillage hydraulique de la fleche sur le bras de pivotement d'une drague ou d'une grue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2901923A DE2901923C2 (de) 1979-01-18 1979-01-18 Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl

Publications (2)

Publication Number Publication Date
DE2901923B1 DE2901923B1 (de) 1980-02-07
DE2901923C2 true DE2901923C2 (de) 1980-10-16

Family

ID=6060884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2901923A Expired DE2901923C2 (de) 1979-01-18 1979-01-18 Hydraulische Verriegelung des Auslegen am Schwenkarm eines Baggers, Krans o.dgl

Country Status (3)

Country Link
US (1) US4332094A (US08063081-20111122-C00044.png)
DE (1) DE2901923C2 (US08063081-20111122-C00044.png)
FR (1) FR2446795A1 (US08063081-20111122-C00044.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003526A1 (en) * 1980-05-08 1982-10-28 Robert L Fischer Lock assembly for earthworking apparatus
IT1129367B (it) * 1980-11-04 1986-06-04 Vema Spa Braccio articolato per macchine escavatrici
SE444593B (sv) * 1981-05-13 1986-04-21 Rolf Mannbro Anordning vid av grevmaskiner och liknande maskiner burna redskap
GB8625778D0 (en) * 1986-10-28 1986-12-03 Knackstedt J S Connector
DE9407859U1 (de) * 1994-05-11 1994-09-01 Mieger, Rolf, 88457 Kirchdorf Hydraulisch schwenkbarer Grabenräumlöffel
US5562397A (en) * 1994-07-13 1996-10-08 Clark Equipment Company Power actuator for attachment plate
US5634736A (en) * 1995-11-29 1997-06-03 Caterpillar Inc. Quick-disconnect coupling device
US7458526B2 (en) * 2004-07-22 2008-12-02 Cnh America Llc Remote boom lock assembly
EP2206837B1 (en) * 2009-01-07 2021-10-20 Hitachi Construction Machinery Co., Ltd Two-member connecting device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA814808A (en) * 1969-06-10 S. Antolini Henry Earth moving equipment
CA642971A (en) * 1962-06-19 Soyland Ingebret Mobile excavators
US3034587A (en) * 1961-07-10 1962-05-15 Young Spring & Wire Corp Quick coupling apparatus
US3204793A (en) * 1963-06-28 1965-09-07 Guy E Lane Front end loader automatic implement attachment apparatus
US3426929A (en) * 1966-12-08 1969-02-11 Inventors Engineering Tilting mechanism for a lifting implement
US3653131A (en) * 1970-03-24 1972-04-04 Ware Machine Works Inc Excavating apparatus
US3760883A (en) * 1972-03-27 1973-09-25 Balderson Inc Quick hitch assembly
JPS5341881B2 (US08063081-20111122-C00044.png) * 1974-11-15 1978-11-07
DE2511819C3 (de) * 1975-03-18 1978-10-19 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Hydraulikbagger

Also Published As

Publication number Publication date
US4332094A (en) 1982-06-01
FR2446795A1 (fr) 1980-08-14
DE2901923B1 (de) 1980-02-07
FR2446795B1 (US08063081-20111122-C00044.png) 1983-05-06

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee